A loudspeaker comprising an acoustic package including an acoustic enclosure that defines an acoustic cavity, a loudspeaker component supported on the acoustic enclosure, a port arranged in the acoustic package and extending from a first open end portion acoustically coupled to the acoustic cavity, to a second end portion acoustically coupled to a region external to the acoustic cavity, the second end portion being arranged for directing air flow exiting the port generally towards the loudspeaker component, and a deflector located between the second end portion of the port and the loudspeaker component, the deflector being arranged for at least partially diverting air flow exiting the port away from the loudspeaker component, towards the region external to the acoustic cavity.